Mattermost versions 11.9.x <= 11.9.0, 11.8.x <= 11.8.4, 11.7.x <= 11.7.7, 10.11.x <= 10.11.22 fail to properly enforce the limit of concurrent files being processed and handled failed files, which allows a user with permission to upload files to spawn more goroutines than intended and block the indexing of other files via uploading heavy files constantly to the server.. Mattermost Advisory ID: MMSA-2026-00696
Metrics
Affected Vendors & Products
References
| Link | Providers |
|---|---|
| https://mattermost.com/security-updates |
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History
Wed, 07 Oct 2026 16:30:00 +0000
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| First Time appeared |
Mattermost mattermost Server
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| CPEs | cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:* | |
| Vendors & Products |
Mattermost mattermost Server
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Mon, 14 Sep 2026 21:00:00 +0000
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| Metrics |
ssvc
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Mon, 14 Sep 2026 11:45:00 +0000
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| First Time appeared |
Mattermost
Mattermost mattermost |
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| Vendors & Products |
Mattermost
Mattermost mattermost |
Mon, 14 Sep 2026 10:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | Mattermost versions 11.9.x <= 11.9.0, 11.8.x <= 11.8.4, 11.7.x <= 11.7.7, 10.11.x <= 10.11.22 fail to properly enforce the limit of concurrent files being processed and handled failed files, which allows a user with permission to upload files to spawn more goroutines than intended and block the indexing of other files via uploading heavy files constantly to the server.. Mattermost Advisory ID: MMSA-2026-00696 | |
| Title | Fix authenticated members disabling file content indexing server-wide via extraction pool exhaustion | |
| Weaknesses | CWE-770 | |
| References |
| |
| Metrics |
cvssV3_1
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Status: PUBLISHED
Assigner: Mattermost
Published: 2026-09-14T10:29:19.934Z
Updated: 2026-09-14T19:36:34.391Z
Reserved: 2026-06-11T14:54:55.079Z
Link: CVE-2026-11993
Updated: 2026-09-14T19:36:29.817Z
Status : Analyzed
Published: 2026-09-14T11:17:02.800
Modified: 2026-10-07T16:23:58.010
Link: CVE-2026-11993
No data.